Bluetooth is a wireless personal area network(WAN). BLE acronym for Bluetooth Low Energy. One of the most popular short-range wireless communication standards. Known as IEEE 802.15.1, it is now maintained by SIG (Special Interest...
WiFi, short for “Wireless Fidelity,” is a technology that allows devices to connect to the internet or communicate with each other wirelessly using radio waves. It’s widely used in homes, businesses, and public spaces...
Infrared Application Different PIR Modules The HC-SR501 PIR Sensor Module Arduino Example code : Circuit Code Code Explanation This Arduino code is for a PIR (Passive Infrared) motion sensor setup, where a relay is...
IAR Embedded Workbench is a popular integrated development environment (IDE) for embedded systems development (compiler). It provides a complete set of development tools for building, debugging, and optimizing embedded applications for a wide range...
ZigBee is a low-power, low-data-rate wireless communication embedded protocol based on the IEEE 802.15.4 standard. It is commonly used for creating networks of low-power devices in applications such as home automation, industrial control, and...
“One Wire” refers to a communication protocol developed by Dallas Semiconductor (now Maxim Integrated) that allows multiple devices to communicate over a singleWire using a master-slave architecture. It enables bidirectional communication and power delivery...
A touch keypad is an input device that allows users to interact with electronic devices by touching designated areas on its surface. It typically consists of a panel with sensitive touch sensors beneath, capable...
EEPROM stands for Electrically Erasable Programmable Read-Only Memory. It’s a type of non-volatile memory that can store small amounts of data even when power is removed. EEPROMs are commonly used in applications where persistent...
RGB LED = One LED package with 3 tiny LEDs inside: By controlling the brightness of each LED, we can mix them to create any color (over 16 million combinations). PWM -Pulse width Modulation...
The analog-to-digital converter (ADC) converts the continuous analog signal into a flow of digital values. To achieve this, the converter must establish the rate at which new digital values sample from the analog signal....
LCD stands for Liquid Crystal Display. It’s a type of flat-panel display technology commonly used in TVs, computer monitors, smartphones, and other electronic devices. This work by sandwiching a layer of liquid crystals between...
A 7-segment display is a common electronic display device used to show decimal numbers and some limited characters. It is widely used in embedded systems, digital clocks, electronic meters, calculators, and counters. A 7-segment...
Embedded Interface Button (push-button switch) is one of the simplest and most common input devices used in embedded systems. It allows a user to provide digital input to a microcontroller or microprocessor by pressing...
LED (Light Emitted Diode) Symbol How to Identify the LED’s Positive and Negative Leads ? LED Chemical Substance Summary of LED’s Colors and Common Chemistries Color Wavelength Materials Amber 605-620 nm...
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Bosch Sensortec developed the BMP280 as a barometric pressure sensor. It’s designed with high accuracy and precision to measure atmospheric pressure and temperature. The sensor is commonly used in various applications such as weather...
In this article we are discussing Embedded Interface – PCF8574 and PCF8574A I/O Expender. The PCF8574 device provides general-purpose remote I/O expansion for most micro controllersfamilies by way of the I2C interface [serial clock(SCL),...
LCD4 Bit Mode Functions Understanding HD44780 Commands Commands are sent using a function like Lcd4_Cmd() in 4-bit mode, which splits each byte into two nibbles for transmission. Function Explanation a) Clear Screen b) Display...
UART (Universal Asynchronous Receiver/Transmitter) is a standard communication protocol used for serial communication between devices. It’s commonly employed in embedded systems for communication between microcontrollers, sensors, and other peripheral devices. In the context of...
